#define DIRREF long //#include "config.h" #include "boinc_zip.h" #ifdef _WIN32 #include "boinc_win.h" #endif #include #include #include #include // test that we "co-exist" with the "stock" zlib library #if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__) # include # include # define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY) #else # define SET_BINARY_MODE(file) #endif // *** ROUTINES TO COMPRESS AND UNCOMPRESS USING ZLIB *** #define CHUNK 16384 /* Compress from file source to file dest until EOF on source. def() returns Z_OK on success, Z_MEM_ERROR if memory could not be allocated for processing, Z_STREAM_ERROR if an invalid compression level is supplied, Z_VERSION_ERROR if the version of zlib.h and the version of the library linked do not match, or Z_ERRNO if there is an error reading or writing the files. */ int def(FILE *source, FILE *dest, int level) { int ret, flush; unsigned have; z_stream strm; unsigned char in[CHUNK]; unsigned char out[CHUNK]; /* allocate deflate state */ strm.zalloc = Z_NULL; strm.zfree = Z_NULL; strm.opaque = Z_NULL; ret = deflateInit(&strm, level); if (ret != Z_OK) return ret; /* compress until end of file */ do { strm.avail_in = fread(in, 1, CHUNK, source); if (ferror(source)) { (void)deflateEnd(&strm); return Z_ERRNO; } flush = feof(source) ? Z_FINISH : Z_NO_FLUSH; strm.next_in = in; /* run deflate() on input until output buffer not full, finish compression if all of source has been read in */ do { strm.avail_out = CHUNK; strm.next_out = out; ret = deflate(&strm, flush); /* no bad return value */ assert(ret != Z_STREAM_ERROR); /* state not clobbered */ have = CHUNK - strm.avail_out; if (fwrite(out, 1, have, dest) != have || ferror(dest)) { (void)deflateEnd(&strm); return Z_ERRNO; } } while (strm.avail_out == 0); assert(strm.avail_in == 0); /* all input will be used */ /* done when last data in file processed */ } while (flush != Z_FINISH); assert(ret == Z_STREAM_END); /* stream will be complete */ /* clean up and return */ (void)deflateEnd(&strm); return Z_OK; } /* Decompress from file source to file dest until stream ends or EOF. inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be allocated for processing, Z_DATA_ERROR if the deflate data is invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and the version of the library linked do not match, or Z_ERRNO if there is an error reading or writing the files. */ int inf(FILE *source, FILE *dest) { int ret; unsigned have; z_stream strm; unsigned char in[CHUNK]; unsigned char out[CHUNK]; /* allocate inflate state */ strm.zalloc = Z_NULL; strm.zfree = Z_NULL; strm.opaque = Z_NULL; strm.avail_in = 0; strm.next_in = Z_NULL; ret = inflateInit(&strm); if (ret != Z_OK) return ret; /* decompress until deflate stream ends or end of file */ do { strm.avail_in = fread(in, 1, CHUNK, source); if (ferror(source)) { (void)inflateEnd(&strm); return Z_ERRNO; } if (strm.avail_in == 0) break; strm.next_in = in; /* run inflate() on input until output buffer not full */ do { strm.avail_out = CHUNK; strm.next_out = out; ret = inflate(&strm, Z_NO_FLUSH); assert(ret != Z_STREAM_ERROR); /* state not clobbered */ switch (ret) { case Z_NEED_DICT: ret = Z_DATA_ERROR; /* and fall through */ case Z_DATA_ERROR: case Z_MEM_ERROR: (void)inflateEnd(&strm); return ret; } have = CHUNK - strm.avail_out; if (fwrite(out, 1, have, dest) != have || ferror(dest)) { (void)inflateEnd(&strm); return Z_ERRNO; } } while (strm.avail_out == 0); /* done when inflate() says it's done */ } while (ret != Z_STREAM_END); /* clean up and return */ (void)inflateEnd(&strm); return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR; } /* report a zlib or i/o error */ void zerr(int ret) { fputs("zpipe: ", stderr); switch (ret) { case Z_ERRNO: if (ferror(stdin)) fputs("error reading stdin\n", stderr); if (ferror(stdout)) fputs("error writing stdout\n", stderr); break; case Z_STREAM_ERROR: fputs("invalid compression level\n", stderr); break; case Z_DATA_ERROR: fputs("invalid or incomplete deflate data\n", stderr); break; case Z_MEM_ERROR: fputs("out of memory\n", stderr); break; case Z_VERSION_ERROR: fputs("zlib version mismatch!\n", stderr); } } // *** END OF ROUTINES TO COMPRESS AND UNCOMPRESS USING ZLIB *** int main() { int retval = -2; ZipFileList zf; std::string home, result_dir, zipfile, source_dir; std::string source_file, result_zipfile, result_file; #ifdef _WIN32 // replace with the path/file wildcard of your choice home = std::string("C:/Documents and Settings/All Users/Documents"); result_dir = home + std::string("/testresult"); CreateDirectoryA(result_dir.c_str(), NULL); #else home = std::string(getenv("HOME")); result_dir = home + std::string("/testresult"); mkdir(result_dir.c_str(), 0777); zipfile = result_dir + std::string("/test.zip"); source_dir = home + std::string("/Testfiles"); #endif zipfile = result_dir + std::string("/test.zip"); source_dir = home + std::string("/Testfiles"); if (boinc_filelist(source_dir.c_str(), ".txt", &zf) && zf.size()) { // Compress and uncompress using boinc_zip retval = boinc_zip(ZIP_IT, zipfile, &zf); retval = boinc_zip(UNZIP_IT, zipfile, result_dir.c_str()); // Compress and uncompress using zlib source_file = zf[0].c_str(); result_zipfile = result_dir + "/zlib_test.zip"; result_file = result_dir + "/zlib_resultfile.txt"; FILE *sf = fopen(source_file.c_str(), "rb"); FILE *rzf = fopen(result_zipfile.c_str(), "wb"); retval = def(sf, rzf, Z_DEFAULT_COMPRESSION); fclose(sf); fclose(rzf); rzf = fopen(result_zipfile.c_str(), "rb"); FILE *rf = fopen(result_file.c_str(), "wb"); retval = inf(rzf, rf); fclose(rzf); fclose(rf); } return retval; }